JP2023126986A - Artificial hair fiber, fiber treatment agent and manufacturing method of artificial hair fiber - Google Patents
Artificial hair fiber, fiber treatment agent and manufacturing method of artificial hair fiber Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 132
- 239000003795 chemical substances by application Substances 0.000 title claims description 58
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 150000008442 polyphenolic compounds Chemical class 0.000 claims abstract description 20
- 235000013824 polyphenols Nutrition 0.000 claims abstract description 20
- 239000002216 antistatic agent Substances 0.000 claims description 14
- 239000011230 binding agent Substances 0.000 claims description 14
- 239000002781 deodorant agent Substances 0.000 abstract description 7
- 230000001877 deodorizing effect Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 15
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 11
- 229920006026 co-polymeric resin Polymers 0.000 description 10
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- 230000000052 comparative effect Effects 0.000 description 5
- 238000002074 melt spinning Methods 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- 229920002292 Nylon 6 Polymers 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229940058015 1,3-butylene glycol Drugs 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 235000011511 Diospyros Nutrition 0.000 description 2
- 244000236655 Diospyros kaki Species 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 244000082204 Phyllostachys viridis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 235000019437 butane-1,3-diol Nutrition 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920006312 vinyl chloride fiber Polymers 0.000 description 2
- 229940015975 1,2-hexanediol Drugs 0.000 description 1
- 229940031723 1,2-octanediol Drugs 0.000 description 1
- XYHKNCXZYYTLRG-UHFFFAOYSA-N 1h-imidazole-2-carbaldehyde Chemical compound O=CC1=NC=CN1 XYHKNCXZYYTLRG-UHFFFAOYSA-N 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-M 3-Methylbutanoic acid Natural products CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 1
- CYDQOEWLBCCFJZ-UHFFFAOYSA-N 4-(4-fluorophenyl)oxane-4-carboxylic acid Chemical compound C=1C=C(F)C=CC=1C1(C(=O)O)CCOCC1 CYDQOEWLBCCFJZ-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000195955 Equisetum hyemale Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 244000280244 Luffa acutangula Species 0.000 description 1
- 235000009814 Luffa aegyptiaca Nutrition 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 240000003296 Petasites japonicus Species 0.000 description 1
- 235000003823 Petasites japonicus Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N beta-methyl-butyric acid Natural products CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 235000001436 butterbur Nutrition 0.000 description 1
- BSVVEHIYIQCYHQ-UHFFFAOYSA-N butyl prop-2-enoate;chloroethene Chemical compound ClC=C.CCCCOC(=O)C=C BSVVEHIYIQCYHQ-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- BMZQPXKCLRADET-UHFFFAOYSA-N chloroethene;2-ethylhexyl prop-2-enoate Chemical compound ClC=C.CCCCC(CC)COC(=O)C=C BMZQPXKCLRADET-UHFFFAOYSA-N 0.000 description 1
- KRGNPJFAKZHQPS-UHFFFAOYSA-N chloroethene;ethene Chemical group C=C.ClC=C KRGNPJFAKZHQPS-UHFFFAOYSA-N 0.000 description 1
- BCBHWVAFKCCWBG-UHFFFAOYSA-N chloroethene;ethenyl propanoate Chemical compound ClC=C.CCC(=O)OC=C BCBHWVAFKCCWBG-UHFFFAOYSA-N 0.000 description 1
- GRFFKYTUNTWAGG-UHFFFAOYSA-N chloroethene;prop-2-enenitrile Chemical compound ClC=C.C=CC#N GRFFKYTUNTWAGG-UHFFFAOYSA-N 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- FHKSXSQHXQEMOK-UHFFFAOYSA-N hexane-1,2-diol Chemical compound CCCCC(O)CO FHKSXSQHXQEMOK-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- AEIJTFQOBWATKX-UHFFFAOYSA-N octane-1,2-diol Chemical compound CCCCCCC(O)CO AEIJTFQOBWATKX-UHFFFAOYSA-N 0.000 description 1
- WCVRQHFDJLLWFE-UHFFFAOYSA-N pentane-1,2-diol Chemical compound CCCC(O)CO WCVRQHFDJLLWFE-UHFFFAOYSA-N 0.000 description 1
- 229920005671 poly(vinyl chloride-propylene) Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 239000001540 sodium lactate Substances 0.000 description 1
- 229940005581 sodium lactate Drugs 0.000 description 1
- 235000011088 sodium lactate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G3/00—Wigs
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
本発明は、ウィッグ、ヘアピース、ブレード、エクステンションヘアー等の頭髪装飾製品に用いられる繊維（以下、単に「人工毛髪用繊維」という。）、繊維処理剤、人工毛髪用繊維の製造方法に関するものである。 The present invention relates to fibers used for hair decoration products such as wigs, hairpieces, braids, and hair extensions (hereinafter simply referred to as "artificial hair fibers"), fiber treatment agents, and methods for producing artificial hair fibers. .
頭飾製品を使用する消費者は、頻繁には洗髪を行わず、頭皮の皮脂を頭皮常在菌が分解することで臭気成分が発生する。そのため、消臭効果のある頭飾製品の開発が求められている。 Consumers who use headdress products do not wash their hair frequently, and odor components are generated when the scalp bacteria decompose the sebum on the scalp. Therefore, there is a need for the development of headdress products that have deodorizing effects.
特許文献１では、かつらのベースネットに消臭性を有する紙糸を使用することで、かつらに消臭性を付与している。 In Patent Document 1, deodorizing properties are imparted to the wig by using paper threads having deodorizing properties in the base net of the wig.
しかし、特許文献１の技術では、ベースネットには消臭効果があるものの、毛髪部分の消臭効果が低いという問題がある。 However, in the technique of Patent Document 1, although the base net has a deodorizing effect, there is a problem in that the deodorizing effect on the hair portion is low.
本発明はこのような事情に鑑みてなされたものであり、消臭性能を有する人工毛髪用繊維を提供するものである。 The present invention has been made in view of these circumstances, and provides an artificial hair fiber having deodorizing performance.
本発明によれば、表面にポリフェノールが付着した人工毛髪用繊維が提供される。 According to the present invention, an artificial hair fiber having a polyphenol attached to its surface is provided.
本発明者が鋭意検討を行ったところ、人工毛髪用繊維の表面にポリフェノールを付着させると、人工毛髪用繊維の消臭性能が向上することを見出し、本発明の完成に到った。 As a result of extensive research, the present inventors found that the deodorizing performance of artificial hair fibers was improved by attaching polyphenols to the surface of the artificial hair fibers, leading to the completion of the present invention.
以下、本発明の種々の実施形態を例示する。以下に示す実施形態は互いに組み合わせ可能である。
好ましくは、前記表面に保水剤が付着している、前記記載の人工毛髪用繊維である。
好ましくは、前記表面にバインダーが付着している、前記記載の人工毛髪用繊維である。
好ましくは、前記表面に帯電防止剤が付着している、前記記載の人工毛髪用繊維である。
好ましくは、ポリフェノールを含有する、繊維処理剤である。
好ましくは、繊維の表面に前記記載の繊維処理剤を付着させる工程を備える、人工毛髪用繊維の製造方法である。
Various embodiments of the present invention will be illustrated below. The embodiments shown below can be combined with each other.
Preferably, the fiber for artificial hair described above has a water retention agent attached to the surface.
Preferably, the fiber for artificial hair described above has a binder attached to the surface.
Preferably, the fiber for artificial hair described above has an antistatic agent attached to the surface.
Preferably, it is a fiber treatment agent containing polyphenol.
Preferably, the method for producing fibers for artificial hair includes a step of attaching the fiber treatment agent described above to the surface of the fibers.
１．人工毛髪用繊維
本発明の一実施形態の人工毛髪用繊維としては、ポリ塩化ビニル系繊維、ポリエステル系繊維、ポリアミド系繊維が挙げられる。人工毛髪用繊維は、溶融紡糸工程、延伸工程、アニール工程を経て、製造される。溶融紡糸工程では、樹脂組成物が溶融紡糸されることによって未延伸糸が製造される。具体的には、一軸押出機、二軸押出機、ロール、バンバリーミキサー、ニーダー等が用いられ、ポリ塩化ビニル系樹脂、ポリエステル系樹脂又はポリアミド系樹脂と、帯電防止剤、熱安定剤、滑剤、難燃剤、紫外線吸収剤等の各種添加剤とが溶融混錬され、公知の溶融紡糸法で溶融紡糸されることで、未延伸糸が得られる。このとき、引き取り速度の調整によって、未延伸糸の繊度が制御される。
1. Fiber for artificial hair The fiber for artificial hair according to one embodiment of the present invention includes polyvinyl chloride fiber, polyester fiber, and polyamide fiber. Artificial hair fibers are manufactured through a melt spinning process, a drawing process, and an annealing process. In the melt-spinning process, undrawn yarn is manufactured by melt-spinning the resin composition. Specifically, a single screw extruder, a twin screw extruder, a roll, a Banbury mixer, a kneader, etc. are used, and polyvinyl chloride resin, polyester resin, or polyamide resin, an antistatic agent, a heat stabilizer, a lubricant, Various additives such as flame retardants and ultraviolet absorbers are melt-kneaded and melt-spun using a known melt-spinning method to obtain an undrawn yarn. At this time, the fineness of the undrawn yarn is controlled by adjusting the take-up speed.
延伸工程では、未延伸糸が延伸倍率１．５～５．０倍で延伸されることで延伸糸が製造される。延伸倍率は、２．０～４．０倍が好ましい。延伸倍率が大きくなると、繊維の強度発現が起こり易くなり、延伸倍率が小さくなると、延伸処理時の糸切れが発生し難くなるためである。 In the drawing step, a drawn thread is produced by drawing the undrawn thread at a draw ratio of 1.5 to 5.0 times. The stretching ratio is preferably 2.0 to 4.0 times. This is because as the stretching ratio increases, the strength of the fibers is more likely to develop, and as the stretching ratio decreases, thread breakage becomes less likely to occur during the stretching process.
延伸処理の際の温度は、８０～１２０℃が好ましい。延伸処理温度が８０℃より低いと、繊維の強度が低くなると共に糸切れを発生し易くなる。延伸処理温度が１２０℃より高いと、表面が平滑になり、光沢が高くなる。 The temperature during the stretching treatment is preferably 80 to 120°C. If the stretching temperature is lower than 80° C., the strength of the fibers will decrease and yarn breakage will occur easily. When the stretching temperature is higher than 120° C., the surface becomes smooth and the gloss becomes high.
アニール工程では、延伸糸に対して好ましくは１００～２００℃の熱処理温度で熱処理を行う。この熱処理によって、延伸糸の熱収縮率を低下させることができる。熱処理は、延伸処理の後に連続して行っても、一旦巻き取った後に時間を空けて行うこともできる。 In the annealing step, the drawn yarn is preferably heat treated at a heat treatment temperature of 100 to 200°C. This heat treatment can reduce the thermal shrinkage rate of the drawn yarn. The heat treatment can be performed continuously after the stretching treatment, or can be performed at intervals after the film is once wound up.
人工毛髪用繊維の単繊度は、２０～１００ｄｔｅｘが好ましく、より好ましくは３５～８０ｄｔｅｘである。この単繊度にするためには、溶融紡糸工程直後の繊維（未延伸糸）の繊度を３００ｄｔｅｘ以下にしておくことが好ましい。未延伸糸の繊度が小さければ、細繊度の人工毛髪用繊維を得るために延伸倍率を小さくすることができ、延伸処理後の人工毛髪用繊維に光沢が発生し難くなる。 The single fineness of the artificial hair fiber is preferably 20 to 100 dtex, more preferably 35 to 80 dtex. In order to achieve this single fineness, it is preferable that the fineness of the fiber (undrawn yarn) immediately after the melt spinning process is 300 dtex or less. If the fineness of the undrawn yarn is small, the stretching ratio can be made small in order to obtain fine-grained artificial hair fibers, and it becomes difficult for the artificial hair fibers to become glossy after the drawing process.
人工毛髪用繊維は、塩化ビニル系樹脂から形成される人工毛髪用繊維、又は、ポリアミド系樹脂から形成される人工毛髪用繊維であることが好ましい。 The artificial hair fiber is preferably an artificial hair fiber formed from a vinyl chloride resin or an artificial hair fiber formed from a polyamide resin.
ここで、塩化ビニル系樹脂とは、塩化ビニルの単独重合物であるホモポリマー樹脂又は各種のコポリマー樹脂、及びそれらの混合物である。コポリマー樹脂としては、塩化ビニル－酢酸ビニルコポリマー樹脂、塩化ビニル－プロピオン酸ビニルコポリマー樹脂等の塩化ビニルとビニルエステル類とのコポリマー樹脂、塩化ビニル－アクリル酸ブチルコポリマー樹脂、塩化ビニル－アクリル酸２エチルヘキシルコポリマー樹脂等の塩化ビニルとアクリル酸エステル類とのコポリマー樹脂、塩化ビニル－エチレンコポリマー樹脂、塩化ビニル－プロピレンコポリマー樹脂等の塩化ビニルとオレフィン類とのコポリマー樹脂、塩化ビニル－アクリロニトリルコポリマー樹脂等がある。コポリマー樹脂において、コモノマーの含有量は、成型加工性、糸特性等の要求品質に応じて決めることができる。塩化ビニル系樹脂は、好ましくは、塩化ビニル樹脂、塩化ビニル樹脂と塩素化塩化ビニル樹脂の混合物、塩化ビニル―アクリロニトリルコポリマーのうちの１種、ないし２種以上の混合物である。塩化ビニル系樹脂は、塊状重合、溶液重合、懸濁重合、乳化重合等によって得られるが、繊維の初期着色性等を考慮して、懸濁重合によって製造したものが好ましい。 Here, the vinyl chloride resin refers to homopolymer resins that are homopolymers of vinyl chloride, various copolymer resins, and mixtures thereof. Copolymer resins include vinyl chloride-vinyl acetate copolymer resins, vinyl chloride-vinyl propionate copolymer resins, vinyl chloride-butyl acrylate copolymer resins, vinyl chloride-2-ethylhexyl acrylate copolymer resins, etc. Copolymer resins of vinyl chloride and acrylic esters such as copolymer resins, copolymer resins of vinyl chloride and olefins such as vinyl chloride-ethylene copolymer resins, vinyl chloride-propylene copolymer resins, vinyl chloride-acrylonitrile copolymer resins, etc. . In the copolymer resin, the content of the comonomer can be determined depending on required qualities such as moldability and yarn properties. The vinyl chloride resin is preferably one or a mixture of two or more of vinyl chloride resins, mixtures of vinyl chloride resins and chlorinated vinyl chloride resins, and vinyl chloride-acrylonitrile copolymers. The vinyl chloride resin can be obtained by bulk polymerization, solution polymerization, suspension polymerization, emulsion polymerization, etc., but in consideration of the initial colorability of the fibers, it is preferable to use suspension polymerization.
ポリアミド系樹脂としては、ナイロン６、ナイロン６６、ナイロン１１、ナイロン１２、ナイロン６・１０、ナイロン６・１２、またはこれらの共重合体が挙げられる。ポリアミド系樹脂は、好ましくは、ナイロン６、ナイロン６６、ナイロン６とナイロン６６の共重合体である。 Examples of the polyamide resin include nylon 6, nylon 66, nylon 11, nylon 12, nylon 6.10, nylon 6.12, or copolymers thereof. The polyamide resin is preferably nylon 6, nylon 66, or a copolymer of nylon 6 and nylon 66.
本実施形態の人工毛髪用繊維は、表面にポリフェノールが付着している。これによって、人工毛髪用繊維の消臭性能が向上する。ポリフェノールは、茶葉、竹、笹、フキ、ヘチマ、スギナ、柿等から抽出可能である。 The artificial hair fiber of this embodiment has polyphenol attached to its surface. This improves the deodorizing performance of the artificial hair fiber. Polyphenols can be extracted from tea leaves, bamboo, bamboo, butterbur, loofah, horsetail, persimmon, etc.
人工毛髪用繊維に対するポリフェノールの付着量は、例えば０．０００１～２質量％であり、０．００１～１質量％が好ましく、０．０１～０．５質量％がさらに好ましい。このような付着量の場合に、人工毛髪用繊維の消臭性能が高く、且つ人工毛髪用繊維の触感が損なわれにくい。この付着量は、具体的には例えば、０．０００１，０．０００５、０．００１，０．００５、０．０１、０．０３、０．０５、０．１、０．２、０．３、０．４、０．５、０．６、０．７、０．８、０．９、１、１．５、２質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The amount of polyphenol attached to the artificial hair fiber is, for example, 0.0001 to 2% by mass, preferably 0.001 to 1% by mass, and more preferably 0.01 to 0.5% by mass. In the case of such a deposit amount, the deodorizing performance of the artificial hair fiber is high, and the feel of the artificial hair fiber is not easily impaired. Specifically, this adhesion amount is, for example, 0.0001, 0.0005, 0.001, 0.005, 0.01, 0.03, 0.05, 0.1, 0.2, 0.3 , 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.5, 2% by mass, and the range between any two of the numerical values exemplified here. It may be within.
人工毛髪用繊維には、保水剤が付着していることが好ましい。保水剤は、ポリフェノールと併用することで消臭性能の向上に寄与する。保水剤としては、グリセリン、ポリエチレングリコール、１，２－ヘキサンジオール、１，２－オクタンジオール、１，２－ペンタンジオール、１，３－ブチレングリコール、水溶性コラーゲン、乳酸ナトリウム、ポリオクタニウム等が挙げられる。 It is preferable that a water retention agent is attached to the fiber for artificial hair. Water retention agents contribute to improving deodorizing performance when used in combination with polyphenols. Water retention agents include glycerin, polyethylene glycol, 1,2-hexanediol, 1,2-octanediol, 1,2-pentanediol, 1,3-butylene glycol, water-soluble collagen, sodium lactate, polyoctanium, etc. Can be mentioned.
人工毛髪用繊維に対する保水剤の付着量は、例えば０．００１～１質量％であり、０．００５～０．５質量％が好ましく、０．０１～０．３質量％がさらに好ましく、０．０２～０．１質量％がさらに好ましい。このような範囲の場合に、人工毛髪用繊維の消臭性能が高く、且つ人工毛髪用繊維の触感が損なわれにくい。この付着量は、具体的には例えば、０．００１，０．００５，０．０１、０．０２、０．０３、０．０４、０．０５、０．０６、０．０７、０．０８、０．０９、０．１、０．２、０．３、０．４、０．５、０．６、０．７、０．８、０．９、１質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The amount of the water retention agent attached to the artificial hair fiber is, for example, 0.001 to 1% by mass, preferably 0.005 to 0.5% by mass, more preferably 0.01 to 0.3% by mass, and 0.001 to 1% by mass, preferably 0.005 to 0.5% by mass, more preferably 0.01 to 0.3% by mass. 02 to 0.1% by mass is more preferable. In the case of such a range, the deodorizing performance of the artificial hair fiber is high, and the feel of the artificial hair fiber is not easily impaired. Specifically, this adhesion amount is, for example, 0.001, 0.005, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08 , 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1% by mass, and exemplified here. It may be within the range between any two of the above values.
人工毛髪用繊維には、バインダーが付着していることが好ましい。バインダーは、人工毛髪用繊維にポリフェノールや保水剤を固定化し消臭持続性を付与するためのものである。バインダーとしては、ウレタン系、アクリル系、メタクリル系、シリコーン系、ポリアミド系、ポリエステル系、塩ビ系、エポキシ系などのポリマー等が挙げられる。なお、人工毛髪用繊維の滑り性や人工毛髪用繊維との密着性の観点から、バインダーは、シリコーン系バインダーを含むことが好ましい。 It is preferable that a binder is attached to the fiber for artificial hair. The binder is used to immobilize polyphenols and water-retaining agents to the artificial hair fibers, thereby imparting deodorizing properties to the fibers. Examples of the binder include polymers such as urethane-based, acrylic-based, methacrylic-based, silicone-based, polyamide-based, polyester-based, vinyl chloride-based, and epoxy-based. In addition, from the viewpoint of the slipperiness of the fiber for artificial hair and the adhesiveness with the fiber for artificial hair, it is preferable that the binder contains a silicone-based binder.
人工毛髪用繊維に対するバインダーの付着量は、例えば０．００１～５質量％であり、０．００５～３質量％が好ましく、０．０１～２質量％がさらに好ましく、０．０２～１質量％がさらに好ましい。このような範囲の場合に、消臭持続性が高く、且つ繊維のべたつきや糸束の収束が生じ難くなり人工毛髪用繊維の触感が損なわれにくい。この付着量は、具体的には例えば、０．００１，０．００５，０．０１、０．０２、０．０３、０．０４、０．０５、０．０６、０．０７、０．０８、０．０９、０．１、０．２、０．３、０．４、０．５、０．６、０．７、０．８、０．９、１、２、３、４、５質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The amount of binder attached to the artificial hair fiber is, for example, 0.001 to 5% by mass, preferably 0.005 to 3% by mass, more preferably 0.01 to 2% by mass, and 0.02 to 1% by mass. is even more preferable. In the case of such a range, the deodorizing durability is high, and the stickiness of the fibers and the convergence of the yarn bundles are less likely to occur, so that the feel of the artificial hair fibers is less likely to be impaired. Specifically, this adhesion amount is, for example, 0.001, 0.005, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08 , 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4, 5 It is mass %, and may be within a range between any two of the numerical values exemplified here.
人工毛髪用繊維には、帯電防止剤が付着していることが好ましい。帯電防止剤としては、非イオン性（ノニオン系）、カチオン系、アニオン系、両性系のものを使用することができる。なお、帯電防止性能や人工毛髪用繊維の触感への影響の観点から、イオン液体を使用することが好ましい。 It is preferable that an antistatic agent is attached to the fiber for artificial hair. As the antistatic agent, nonionic (nonionic), cationic, anionic, or amphoteric antistatic agents can be used. Note that it is preferable to use an ionic liquid from the viewpoint of antistatic performance and influence on the feel of the artificial hair fiber.
人工毛髪用繊維に対する帯電防止剤の付着量は、例えば０．００１～５質量％であり、０．００５～３質量％が好ましく、０．０１～２質量％がさらに好ましく、０．０２～１質量％がさらに好ましい。このような範囲の場合に、帯電防止効果の向上が期待でき、且つ繊維のべたつきが生じにくくなり人工毛髪用繊維の触感が損なわれにくい。この付着量は、具体的には例えば、０．００１，０．００５，０．０１、０．０２、０．０３、０．０４、０．０５、０．０６、０．０７、０．０８、０．０９、０．１、０．２、０．３、０．４、０．５、０．６、０．７、０．８、０．９、１、２、３、４、５質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The amount of the antistatic agent attached to the artificial hair fiber is, for example, 0.001 to 5% by mass, preferably 0.005 to 3% by mass, more preferably 0.01 to 2% by mass, and 0.02 to 1% by mass. Mass % is more preferred. In the case of such a range, an improvement in the antistatic effect can be expected, and the stickiness of the fibers is less likely to occur, so that the feel of the artificial hair fibers is less likely to be impaired. Specifically, this adhesion amount is, for example, 0.001, 0.005, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08 , 0.09, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2, 3, 4, 5 It is mass %, and may be within a range between any two of the numerical values exemplified here.
２．繊維処理剤、人工毛髪用繊維の製造方法
上述の人工毛髪用繊維は、人工毛髪用繊維となる繊維に繊維処理剤を付着させることによって、製造することができる。繊維に繊維処理剤を付着させる手段としては、繊維に液体を塗布する従来公知の手段を採用できる。具体的には、表面に繊維処理剤を付着させたロールに繊維を巻き付ける手段（ロール転写法）、繊維処理剤を貯めた液体槽に繊維を浸す手段、ブラシ、刷毛等の塗り具を介して繊維に繊維処理剤を付着させる手段等を採用できる。
2. Fiber Treatment Agent, Method for Producing Fiber for Artificial Hair The above-mentioned fiber for artificial hair can be produced by attaching a fiber treatment agent to the fiber that will become the fiber for artificial hair. As a means for attaching the fiber treatment agent to the fibers, a conventionally known means for applying a liquid to the fibers can be employed. Specifically, fibers are wrapped around a roll with a fiber treatment agent adhered to the surface (roll transfer method), fibers are immersed in a liquid bath containing a fiber treatment agent, and a brush or brush is used to coat the fibers. A method of attaching a fiber treatment agent to the fibers can be adopted.
繊維処理剤は、ポリフェノールを含有し、必要に応じて、水、保水剤、バインダー、帯電防止剤の少なくとも１種を含有する。 The fiber treatment agent contains polyphenol and, if necessary, at least one of water, a water retention agent, a binder, and an antistatic agent.
繊維処理剤は、ポリフェノールを含有する消臭剤を含有することが好ましい。消臭剤は、ポリフェノール以外の成分として、水を含むことが好ましく、水と、ｐＨ調整剤を含むことがさらに好ましい。ｐＨ調整剤は、例えば有機酸と有機酸金属塩である。有機酸は、例えば、クエン酸であり、金属塩は、例えば、ナトリウム塩である。消臭剤中のポリフェノールの含有量は、例えば、例えば０．１～１０質量％であり、１～５質量％が好ましい。 It is preferable that the fiber treatment agent contains a deodorant containing polyphenol. The deodorant preferably contains water as a component other than polyphenols, and more preferably contains water and a pH adjuster. The pH adjuster is, for example, an organic acid and an organic acid metal salt. The organic acid is, for example, citric acid, and the metal salt is, for example, the sodium salt. The content of polyphenols in the deodorant is, for example, 0.1 to 10% by mass, preferably 1 to 5% by mass.
繊維処理剤における消臭剤の含有量は、水１００質量部に対して、例えば０．５～９００質量部であり、１～５００質量部が好ましく、１０～３００質量部がさらに好ましい。この含有量は、具体的には例えば、０．５、１、１０、２０、３０、４０、５０、６０、７０、８０、９０、１００、１５０、２００、２５０、３００、３５０、４００、４５０、５００、９００質量部であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The content of the deodorant in the fiber treatment agent is, for example, 0.5 to 900 parts by weight, preferably 1 to 500 parts by weight, and more preferably 10 to 300 parts by weight, based on 100 parts by weight of water. Specifically, this content is, for example, 0.5, 1, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 150, 200, 250, 300, 350, 400, 450. , 500, and 900 parts by mass, and may be within a range between any two of the numerical values exemplified here.
繊維処理剤におけるポリフェノールの含有量は、繊維処理剤全体に対する質量％として、例えば０．０１～１０質量％であり、０．０５～４質量％が好ましい。この含有量は、具体的には例えば、０．０１、０．０２、０．０５、０．１、０．５、１、５、１０質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The content of polyphenol in the fiber treatment agent is, for example, 0.01 to 10% by mass, preferably 0.05 to 4% by mass, based on the entire fiber treatment agent. Specifically, this content is, for example, 0.01, 0.02, 0.05, 0.1, 0.5, 1, 5, 10% by mass, and any 2 of the numerical values exemplified here. It may be within the range between two.
繊維処理剤における保水剤の含有量は、繊維処理剤全体に対する質量％として、例えば０．０１～１５質量％であり、０．０５～６質量％が好ましい。この含有量は、具体的には例えば、０．０１、０．０２、０．０５、０．１、０．５、１、５、１０、１５質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The content of the water retention agent in the fiber treatment agent is, for example, 0.01 to 15% by mass, preferably 0.05 to 6% by mass, based on the entire fiber treatment agent. Specifically, this content is, for example, 0.01, 0.02, 0.05, 0.1, 0.5, 1, 5, 10, 15% by mass, and any of the numerical values exemplified here. or within a range between the two.
繊維処理剤におけるバインダーの含有量は、繊維処理剤全体に対する質量％として、例えば０．０１～６０質量％であり、０．０１～３０質量％が好ましい。この含有量は、具体的には例えば、０．０１、０．１、０．５、１、５、１０、２０、３０、４０、５０、６０質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The content of the binder in the fiber treatment agent is, for example, 0.01 to 60 mass%, preferably 0.01 to 30 mass%, based on the total fiber treatment agent. Specifically, this content is, for example, 0.01, 0.1, 0.5, 1, 5, 10, 20, 30, 40, 50, 60% by mass, and any of the numerical values exemplified here. or within a range between the two.
繊維処理剤における帯電防止剤の含有量は、繊維処理剤全体に対する質量％として、例えば０．０１～１０質量％であり、０．１～５質量％が好ましく、０．５～４質量％が好ましい。この含有量は、具体的には例えば、０．０１、０．０５、０．１、０．５、１、２、３、４、５、６、７、８、９、１０質量％であり、ここで例示した数値の何れか２つの間の範囲内であってもよい。 The content of the antistatic agent in the fiber treatment agent is, for example, 0.01 to 10 mass%, preferably 0.1 to 5 mass%, and 0.5 to 4 mass%, based on the total fiber treatment agent. preferable. Specifically, this content is, for example, 0.01, 0.05, 0.1, 0.5, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10% by mass. , it may be within the range between any two of the numerical values exemplified here.
繊維処理剤は、他の添加剤、例えば、抗菌加工剤、消臭加工剤、防カビ加工剤、ＵＶカット剤、柔軟剤、ＳＲ加工剤、芳香加工剤、難燃剤、消泡剤、香料等を含有してもよい。 The fiber treatment agent may contain other additives, such as antibacterial agents, deodorizing agents, antifungal agents, UV cut agents, softeners, SR agents, aroma agents, flame retardants, antifoaming agents, fragrances, etc. May contain.
３．用途
上述の人工毛髪用繊維は、ウィッグ、ヘアピース、ブレード、エクステンンョンヘアー等の頭髪装飾製品に用いられる。
3. Applications The above-mentioned artificial hair fibers are used in hair decoration products such as wigs, hairpieces, braids, and hair extensions.
以下、実施例、比較例を挙げて本発明を詳細に説明する。 Hereinafter, the present invention will be explained in detail by giving Examples and Comparative Examples.
１．繊維処理剤の処方
表１～表２に示す成分を同表に示す配合量（質量部）で配合して、繊維処理剤を得た。
1. Prescription of fiber treatment agent The components shown in Tables 1 and 2 were blended in the amounts (parts by mass) shown in the same table to obtain a fiber treatment agent.
表中の各成分の詳細は、以下の通りである。
消臭剤：ＣＯＳ－１８（ポリフェノールの１種であるカキタンニンを５質量％含有、ＰＨ調整剤、水を含む。）（リリース科学工業株式会社）
保水剤：１，３－ブチレングリコール（東京化成工業株式会社）
バインダー剤：シリコーン系バインダー Ｓ－２００Ｌ（大和化学工業株式会社）
帯電防止剤Ａ：イオン液体 ＡＳ３００（日本乳化剤株式会社）
帯電防止剤Ｂ：４級アンモニウム塩（自社調製品）
触感付与剤：アルキルアルキレート（自社調製品）
Details of each component in the table are as follows.
Deodorizer: COS-18 (Contains 5% by mass of persimmon tannin, a type of polyphenol, and includes a PH adjuster and water.) (Release Kagaku Kogyo Co., Ltd.)
Water retention agent: 1,3-butylene glycol (Tokyo Kasei Kogyo Co., Ltd.)
Binder agent: Silicone binder S-200L (Daiwa Chemical Industry Co., Ltd.)
Antistatic agent A: Ionic liquid AS300 (Nippon Nyukazai Co., Ltd.)
Antistatic agent B: Quaternary ammonium salt (prepared in-house)
Tactile agent: Alkyl alkylate (produced in-house)
２．繊維
人工毛髪用繊維の製造に用いる繊維として、以下の塩化ビニル系繊維を用いた。繊維の平均繊度は、５５～７０ｄｔｅｘであった。なお、平均繊度は、Ｎ＝１００の測定値の平均により求めた。
塩化ビニル系繊維：自社調製品（ポリ塩化ビニル（大洋塩ビ株式会社：ＴＨ－７００）を使用）
2. Fibers The following vinyl chloride fibers were used as fibers for producing artificial hair fibers. The average fineness of the fibers was 55 to 70 dtex. Note that the average fineness was determined by averaging N=100 measured values.
Vinyl chloride fiber: In-house preparation (using polyvinyl chloride (Taiyo PVC Co., Ltd.: TH-700))
３．繊維処理剤の塗布
各実施例、比較例について、繊維の製造工程において延伸が終了した後、ロール転写法によって、繊維の表面に繊維処理剤を塗布して、人工毛髪用繊維を得た。人工毛髪用繊維に付着した繊維処理剤の各有効成分（ポリフェノール、バインダー、保水剤及び帯電防止剤）の付着量を表１～表２に示す。
3. Application of Fiber Treatment Agent For each Example and Comparative Example, after the stretching was completed in the fiber manufacturing process, a fiber treatment agent was applied to the surface of the fiber by a roll transfer method to obtain fibers for artificial hair. Tables 1 and 2 show the amounts of each active ingredient (polyphenol, binder, water retention agent, and antistatic agent) of the fiber treatment agent attached to the artificial hair fibers.
消臭剤、及び、その他の有効成分の付着量は、以下の方法により求めた。
（１）ポリフェノール
人工毛髪用繊維表面に付着した繊維処理剤を、水で繊維から抽出し、抽出液をフォーリンチオカルト法（比色分析法）によりポリフェノール濃度を算出し、付着量に換算した。
The amount of deodorant and other active ingredients adhered was determined by the following method.
(1) Polyphenols The fiber treatment agent adhering to the surface of artificial hair fibers was extracted from the fibers with water, and the polyphenol concentration of the extract was calculated using the four-lin occult method (colorimetric analysis), and converted to the amount of adhesion.
（２）保水剤
繊維処理剤が付着した人工毛髪用繊維を水に入れて繊維処理剤を水に抽出し、ＧＣ－ＭＳ（アジレント・テクノロジー社製 ＧＣ７８９０Ａ、ＭＳ５９７５Ｃ）を用いて保水剤のピーク面積から濃度を算出し、付着量に換算した。
(2) Water retention agent The artificial hair fiber to which the fiber treatment agent is attached is placed in water, the fiber treatment agent is extracted into the water, and the peak area of the water retention agent is measured using GC-MS (GC7890A, MS5975C, manufactured by Agilent Technologies). The concentration was calculated from the above and converted to the amount of adhesion.
（３）バインダー
繊維処理剤が付着した人工毛髪用繊維を濃硫酸で分解後、燃焼して灰化し、さらに、アルカリ融解した後、塩酸を加えて溶解処理を行う。そして、分解溶液中のＳｉの濃度を、ＩＣＰ発光分光分析装置（Ａｇｉｌｅｎｔ社製 ５１１０ＶＤＶ）を用いて算出し、付着量に換算した。
(3) Binder The artificial hair fibers to which the fiber treatment agent has been attached are decomposed with concentrated sulfuric acid, burned to ash, and then melted with an alkali, followed by addition of hydrochloric acid for dissolution treatment. Then, the concentration of Si in the decomposition solution was calculated using an ICP emission spectrometer (manufactured by Agilent, 5110VDV) and converted into the amount of adhesion.
（４）帯電防止剤
繊維処理剤が付着した人工毛髪用繊維を水に入れて繊維処理剤を水に抽出し、凍結乾燥後、ＧＰＣ（日本分析工業社製 ＬＣ－９０８）により分取し、ＬＣ－ＭＳ（アジレント・テクノロジー社製 １１００、ＳＣＩＥＸ社製 ３２００Ｑ－ＴＲＡＰ）を用いて帯電防止剤のピーク面積から濃度を算出し、付着量に換算した。
(4) Antistatic agent The artificial hair fiber to which the fiber treatment agent is attached is placed in water, the fiber treatment agent is extracted into water, and after freeze-drying, it is fractionated by GPC (LC-908 manufactured by Nippon Analytical Kogyo Co., Ltd.). The concentration was calculated from the peak area of the antistatic agent using LC-MS (1100 manufactured by Agilent Technologies, 3200Q-TRAP manufactured by SCIEX) and converted to the amount of adhesion.
（５）触感付与剤
[0]繊維処理剤が付着した人工毛髪用繊維を有機溶媒に入れて繊維処理剤を有機溶媒に抽出し、ＧＰＣ（日本分析工業社製 ＬＣ－９０８）により分取し、ＬＣ－ＭＳ（アジレント・テクノロジー社製 １１００、ＳＣＩＥＸ社製 ３２００Ｑ－ＴＲＡＰ）を用いて触感付与剤のピーク面積から濃度を算出し、付着量に換算した。
(5) Tactile agent
[0] The artificial hair fibers with the fiber treatment agent attached to them are placed in an organic solvent, the fiber treatment agent is extracted into the organic solvent, fractionated by GPC (LC-908 manufactured by Nippon Analytical Industry Co., Ltd.), and LC-MS (Agilent・The concentration was calculated from the peak area of the tactile agent using 1100 (manufactured by Technology Co., Ltd., 3200Q-TRAP manufactured by SCIEX), and converted to the amount of adhesion.
４．人工毛髪用繊維の評価
以下に示す方法で、消臭性、べたつき、消臭持続性、帯電防止性の評価を行った。全ての実施例の人工毛髪用繊維は、比較例の人工毛髪用繊維よりも消臭性が優れていた。
4. Evaluation of artificial hair fibers Deodorizing properties, stickiness, deodorizing durability, and antistatic properties were evaluated using the methods shown below. The artificial hair fibers of all Examples had better deodorizing properties than the artificial hair fibers of Comparative Examples.
（１）消臭性
消臭加工繊維製品認証基準で定める方法（一般社団法人 繊維評価技術協議会）に準拠し、アンモニア、酢酸、イソ吉草酸の各成分について減少率（％）を算出した。なお、減少率（％）が、大きいほど、消臭性が高いことを示す。
(1) Deodorizing properties The reduction rate (%) of each component of ammonia, acetic acid, and isovaleric acid was calculated in accordance with the method specified in the certification standards for deodorizing processed textile products (Fiber Evaluation Technology Council, General Incorporated Association). Note that the larger the reduction rate (%), the higher the deodorizing property.
（２）べたつき
べたつきは、実施例・比較例の人工毛髪用繊維を長さ２５０ｍｍ、重量２０ｇに束ね、人工毛髪用繊維処理技術者（実務経験５年以上）１０人の手触りにより、次の評価基準で評価した。
Ａ：技術者全員が、べたつきがなく触感が良いと評価したもの
Ｂ：べたつきがなく触感が良いと評価した技術者が９割以上１０割未満
Ｃ：べたつきがなく触感が良いと評価した技術者が７割以上９割未満
Ｄ：べたつきがなく触感が良いと評価した技術者が７割未満
(2) Stickiness Stickiness was determined by bundling the artificial hair fibers of Examples and Comparative Examples to a length of 250 mm and weight of 20 g, and using the touch of 10 artificial hair fiber processing engineers (5 or more years of work experience) to evaluate the stickiness as follows. It was evaluated based on the criteria.
A: All engineers evaluated that it was not sticky and had a good texture B: More than 90% but less than 100% of engineers evaluated that it was not sticky and had a good texture C: Engineers evaluated that it was not sticky and had a good texture 70% or more but less than 90% D: Less than 70% of engineers rated the product as having good texture without stickiness.
（３）消臭持続性（洗濯耐久性）
消臭加工繊維製品認証基準で定める方法（（一社）繊維評価技術協議会）に準拠し、人工毛髪用繊維を３回洗濯した後のアンモニア、酢酸、イソ吉草酸の各成分について減少率（％）を算出し、次の評価基準で評価した。
Ａ：全ての成分の減少率が５０％以上であるもの
Ｂ：全ての成分の減少率が３０％以上で、Ａに該当しないもの
Ｃ：全ての成分の減少率が１０％以上で、Ａ及びＢに該当しないもの
Ｄ：いずれかの成分の減少率が１０％未満
(3) Deodorizing durability (washing durability)
In accordance with the method specified in the deodorant processed fiber product certification standards (Fiber Evaluation Technology Council), the reduction rate ( %) was calculated and evaluated using the following evaluation criteria.
A: The reduction rate of all ingredients is 50% or more B: The reduction rate of all ingredients is 30% or more and does not fall under A C: The reduction rate of all ingredients is 10% or more and A and Items that do not fall under B D: Reduction rate of any component is less than 10%
（４）帯電防止性（表面抵抗値）
各実施例・比較例について、人工毛髪用繊維を長さ２５０ｍｍ、重量２０ｇに束ね、２３℃×５０％ＲＨの環境下で２４時間放置した後、デジタル超高抵抗／微少電流計（株式会社ＡＤＶＡＮＴＥＳＴ：Ｒ８３４０）を用いて印加電圧１０Ｖの条件で表面抵抗値を測定し、Ｎ＝５の測定値の平均を求めた。なお、人工毛髪用繊維の表面抵抗値が低いほど、帯電防止性が良好となる。
(4) Antistatic property (surface resistance value)
For each example and comparative example, artificial hair fibers were bundled to a length of 250 mm and a weight of 20 g, and after being left for 24 hours in an environment of 23°C x 50% RH, :R8340) under the condition of an applied voltage of 10 V, and the average of the measured values of N=5 was determined. Note that the lower the surface resistance value of the artificial hair fiber, the better the antistatic property.
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